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MCQs 1: Which criteria of failure is used to indicate St Venent's theory?

Maximum principle stress theory Maximum principle strain theory Shear stress theory None of the above
Answer Explanation

MCQs 2: What does DFMA stand for?

Design for Manual Assembly Design for Manufacture and Assembly Both a. and b. None of the above
Answer Explanation

MCQs 3: Which of the following principle recognizes human capabilities and limitations using design effective handling equipment?

Safety principle Obsolescence principle Ecology principle Ergonomic principle
Answer Explanation

MCQs 4: Which type of welded joints are not included in class 3 pressure vessels?

Double welded butt joint with full penetration Single welded but joint with back strip Single full fillet lap joints None of the above
Answer Explanation

MCQs 5: Class 3 pressure vessels having welded joints are __________

fully radio-graphed partially radio-graphed spot radio-graphed not radio-graphed
Answer Explanation

MCQs 6: Design pressure for unfired pressure vessels is 1.05 times of _______

minimum working pressure maximum working pressure hydrostatic test pressure none of the above
Answer Explanation

MCQs 7: Single cylinder four stroke engine has brake power of 8 kW and brake mean effective pressure of 0.55 Mpa. What is the length of cylinder which is 1.2 times of bore diameter? (n = 3000 rpm)

110 mm 103 mm 70 mm 65 mm
Answer Explanation

MCQs 8: Which of the following parts of piston act as bearing for connecting rod side thrust?

Reinforcing ribs Piston barrel Piston gudgeon Piston skirt
Answer Explanation

MCQs 9: What is the function of gudgeon pin?

Acts as stiffeners Supports piston head Connects piston to connecting rod All of the above
Answer Explanation

MCQs 10: If a relief valve has reliability of 0.989, how many failures are expected in testing 1000 such relief valves?

111 100 10 11
Answer Explanation

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